[INFO] fetching crate aci-registry 1.1.2...
[INFO] checking aci-registry-1.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate aci-registry 1.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate aci-registry 1.1.2 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aci-registry 1.1.2
[INFO] finished tweaking crates.io crate aci-registry 1.1.2
[INFO] tweaked toml for crates.io crate aci-registry 1.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09c354d1f366784e5ddcd53457b7543f38ef45cd35a5a4fb6bb885df59dd1d3d
[INFO] running `Command { std: "docker" "start" "-a" "09c354d1f366784e5ddcd53457b7543f38ef45cd35a5a4fb6bb885df59dd1d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09c354d1f366784e5ddcd53457b7543f38ef45cd35a5a4fb6bb885df59dd1d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c354d1f366784e5ddcd53457b7543f38ef45cd35a5a4fb6bb885df59dd1d3d", kill_on_drop: false }`
[INFO] [stdout] 09c354d1f366784e5ddcd53457b7543f38ef45cd35a5a4fb6bb885df59dd1d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c40a81b1b2ce69f46fe12c90b9ca55a334aabdf6f7260490ea4b4de9dd79b2b1
[INFO] running `Command { std: "docker" "start" "-a" "c40a81b1b2ce69f46fe12c90b9ca55a334aabdf6f7260490ea4b4de9dd79b2b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling aci-registry v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> build/read.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::ErrorKind, path::Path};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `registrant` is never read
[INFO] [stdout]   --> build/tabs.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct ClassIdRegistration {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub registrant: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `registrant` is never read
[INFO] [stdout]   --> build/tabs.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct VendorIdRegistration {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub registrant: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `registrant` is never read
[INFO] [stdout]   --> build/tabs.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct WellKnownSubclassRegistration {
[INFO] [stdout]    |            ----------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub registrant: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `registrant` is never read
[INFO] [stdout]   --> build/tabs.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct OtherSubclassProductInfo {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub registrant: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "c40a81b1b2ce69f46fe12c90b9ca55a334aabdf6f7260490ea4b4de9dd79b2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c40a81b1b2ce69f46fe12c90b9ca55a334aabdf6f7260490ea4b4de9dd79b2b1", kill_on_drop: false }`
[INFO] [stdout] c40a81b1b2ce69f46fe12c90b9ca55a334aabdf6f7260490ea4b4de9dd79b2b1